TRANSWITCH CORP /DE Form SC 13D: Beneficial ownership report (active)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2013-08-22: Form SC 13D; Description TRANSWITCH CORP; Document p13-1644sc13d.htm.
- 2013-04-22: Form SC 13D/A; Description SC 13D/A; Document a13-10455_1sc13da.htm.
- 2012-06-04: Form SC 13D/A; Description SC 13D/A; Document a12-13482_1sc13da.htm.
- 2011-03-08: Form SC 13D/A; Description Beneficial ownership report (active); Document d1177589_13d-a.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2013-08-22 | SC 13D | TRANSWITCH CORP | p13-1644sc13d.htm | |
| 2013-04-22 | SC 13D/A | SC 13D/A | a13-10455_1sc13da.htm | |
| 2012-06-04 | SC 13D/A | SC 13D/A | a12-13482_1sc13da.htm | |
| 2011-03-08 | SC 13D/A | Beneficial ownership report (active) | d1177589_13d-a.htm | |
| 2010-10-13 | SC 13D/A | Beneficial ownership report (active) | d1136708_13d-a.txt | |
| 2010-06-09 | SC 13D/A | SC 13D/A | a10-11748_1sc13da.htm | |
| 2010-03-17 | SC 13D/A | SC 13D/A | a10-6459_1sc13da.htm | |
| 2009-11-16 | SC 13D/A | SC 13D/A | a09-33602_1sc13da.htm | |
| 2009-05-01 | SC 13D/A | SC 13D/A | a09-12416_1sc13da.htm | |
| 2008-11-20 | SC 13D/A | SC 13D/A | a08-28864_1sc13da.htm | |
| 2008-07-25 | SC 13D/A | SC 13D/A | a08-19963_1sc13da.htm | |
| 2008-07-21 | SC 13D | SCHEDULE 13D | dsc13d.htm | |
| 2008-05-20 | SC 13D/A | Beneficial ownership report (active) | d884690_13d-a.txt | |
| 2008-05-14 | SC 13D/A | SC 13D/A | a08-14329_1sc13da.htm | |
| 2008-01-31 | SC 13D/A | SC 13D/A | a08-4103_1sc13da.htm | |
| 2008-01-31 | SC 13D | Beneficial ownership report (active) | d850685_13-d.txt | |
| 2007-12-31 | SC 13D | SC 13D | a07-32254_1sc13d.htm | |
| 2005-04-29 | SC 13D/A | Beneficial ownership report (active) | d567599_13d-a.txt | |
| 2005-02-10 | SC 13D/A | Beneficial ownership report (active) | d547357_13d-a.txt | |
| 2005-02-09 | SC 13D/A | Beneficial ownership report (active) | d546718_13d-a.txt | |
| 2004-06-18 | SC 13D/A | Beneficial ownership report (active) | d493976_13d-a.txt | |
| 2004-04-29 | SC 13D/A | Beneficial ownership report (active) | d481693_13d-a.txt | |
| 2003-05-21 | SC 13D/A | Beneficial ownership report (active) | d405997_13d-a.txt | |
| 2003-04-30 | SC 13D/A | Beneficial ownership report (active) | d401506_13d-a.txt | |
| 2003-04-21 | SC 13D | Beneficial ownership report (active) | d398886_13d.txt |